var fieldTypes = {
    'CheckBox': 7,
    'Multi Line Text': 2,
    'Yes/No': 1,
    'Wide Single Line Text': 16
},
    vars = requirements.variables,
    scItem = requirements.sc_cat_item;

var itemRec = new GlideRecord('sc_cat_item');
itemRec.initialize();

for(var field in scItem) {
    itemRec[field] = scItem[field];
}

var itemID = itemRec.insert();

vars.forEach(function(field) {
    var varRec = new GlideRecord('item_option_new');
    varRec.initialize();

    varRec.name = field.name;
    varRec.question_text = field.question;
    varRec.order = field.order;
    varRec.type = fieldTypes[field.type];
    varRec.cat_item = itemID;
    varRec.insert();
});